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mlr (version 2.0)

makeWeightedClassesWrapper: Wraps a classifier for weighted fitting where each class receives a weight.

Description

Creates a wrapper, which can be used like any other learner object.

Fitting is performed in a weighted fashion where each observation receives a weight, depending on the class is belongs to, see wcw.weight. This might help to mitigate problems in imbalanced classification problems.

Usage

makeWeightedClassesWrapper(learner, wcw.weight)

Arguments

Value

[Learner].